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Operating Systems General Concepts Interview Questions
Questions Answers Views Company eMail

What is Difference between thread and process?

AirTies, Azingo, Bloomberg, Encora, Goldman Sachs, HCL, HP, MES, Microsoft, Samsung,

28 250225

How to communicate between difference process?

HP, IBM,

2 7339

What is the best way of communication in multi process environment? ex: getting log from different applications from multi servers?

HP,

1 2922

What is scheduling and How it effects the processor efficiency?

HP,

2 3153

What is virtual memory, if OS didt have that concept What are the problems can arise?

HP,

6 13036

What is the best suited algorithm to avoid internal fragmentation?

HP,

2 7211

How to escape from external fragmentation?

HP,

2 3521

What is difference in managing processes in windows, unix, RTOS?

HP,

1930

What is the difference between mutex and semaphore?

HP, Microsoft,

14 52593

What are counting semaphores?

HP, IBM,

4 11420

which is best among semaphores and mutexes?

HP,

2 5509

which is best among pipes, queues, shared memory and why?

HP,

2 4752

What are named pipes?

HP,

3 4345

What is the signal?

HP,

1 3202

What is the highest priority software interrupt?

HP,

1 3795


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Un-Answered Questions { Operating Systems General Concepts }

What is the basic function of paging?

269


How do I search for a pattern in vi?

199


What do you mean by memory leak?

228


what's the latest ram lunch?

1909


Can you list the coffman's conditions that lead to a deadlock?

214






what is difference between xp & 2003?

1142


What do you mean by threads in Operating System?

224


What is operating system and type of operating system?

183


What is real time operating systems?

227


What do you call a bootable disk that contains a full usable os?

184


What first program that the computer runs when the power is turn on?

230


What are the four necessary and sufficient conditions behind the deadlock?

197


Does more ram increase fps?

191


What is the max ram for a 64 bit?

165


What is the use of chkdsk f?

190